LINEAR model DTKP keyless entry. It transmits using dip switch on frequency 310.

The warranty on the DTKP garage door keyless entry is 1 year from LINEAR.

The model DTKP is still available.

LINEAR model keyless entry instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
linear_dtk_om.pdf

(0.10 MB in English) This requires Acrobat 10 or higher